Home / 13,706,072.69-18,922,980.48-8,819,786.16

Finding the Fourth Proportional to 13,706,072.69, 18,922,980.48 and 8,819,786.16

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Solution

The fourth proportional to 13,706,072.69, 18,922,980.48 and 8,819,786.16 is: 12,176,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,072.69 : 18,922,980.48 = 8,819,786.16 : x
  2. Step 2: Convert to fraction form
    13,706,072.69/18,922,980.48 = 8,819,786.16/x
  3. Step 3: Cross multiply
    13,706,072.69x = 18,922,980.48 × 8,819,786.16
  4. Step 4: Simplify right side
    13,706,072.69x = 166,896,641,310,379.97
  5. Step 5: Solve for x
    x = 166,896,641,310,379.97/13,706,072.69
  6. Step 6: Final answer
    x = 12,176,839.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.